Part of a light fixture



FIG. 1 is a perspective view thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view,

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines showing environmental structure in FIGS. 1-6 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a part of a light fixture, as shown and described. 